27255860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 58810752

約数和(自身を除く): 31554892

約数列:

[1, 2, 4, 5, 10, 20, 101, 103, 131, 202, 206, 262, 404, 412, 505, 515, 524, 655, 1010, 1030, 1310, 2020, 2060, 2620, 10403, 13231, 13493, 20806, 26462, 26986, 41612, 52015, 52924, 53972, 66155, 67465, 104030, 132310, 134930, 208060, 264620, 269860, 1362793, 2725586, 5451172, 6813965, 13627930, 27255860]

約数ペア:

[(1, 27255860), (2, 13627930), (4, 6813965), (5, 5451172), (10, 2725586), (20, 1362793), (101, 269860), (103, 264620), (131, 208060), (202, 134930), (206, 132310), (262, 104030), (404, 67465), (412, 66155), (505, 53972), (515, 52924), (524, 52015), (655, 41612), (1010, 26986), (1030, 26462), (1310, 20806), (2020, 13493), (2060, 13231), (2620, 10403)]